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yKpoI14uk [10]
3 years ago
12

Which graph has a slope of 4/5?

Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
6 0

Answer:

\boxed{ Graph. B}

Step-by-step explanation:

<em>Hey there!</em>

<em />

Well slope is aka rise/run,

so starting at the red dot and rising 4 units an ruing to the right 5 units,

graph b is the correct answer.

<em>Hope this helps :)</em>

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How do i write 400.004 in unit form?
Luda [366]

Answer:

4 hundreds and point 4 thousandths

Step-by-step explanation:

You have to write a number using place value units.

6 0
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Please help me with questions 11-13 god bless
lianna [129]
#11 and #12 have no solutions, #13 has a solution which is 14
5 0
3 years ago
(5 times 5) to the power of 9
Lubov Fominskaja [6]

Hello from MrBillDoesMath!

Answer:

3814697265625

Discussion:

As  5 * 5 = 25 the Questions asks us to evaluate

25^ 9 =  3814697265625  (gotten using a calculator)

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5 0
3 years ago
Read 2 more answers
Solve the following differential equation: y" + y' = 8x^2
PtichkaEL [24]

Answer:

y=y_p+y_h = \frac{8}{3}x^3-8x^2+16x+ C_1 + C_2e^{-x}

Step-by-step explanation:

Let's  find a particular solution. We need a function of the form y= ax^3+bx^2+cx+d such that

y'= 3ax^2+2bx+c and

y''= 6ax+2b

y'+y''= 3ax^2+2bx+c+6ax+2b = 3ax^2+x(2b+6a)+(c+2b) = 8x^2

then, 3a= 8, 2b+6a =0 and c+2b = 0. With the first equation we obtain

a =  8/3 and replacing in the second equation 2b+6(8/3) = 2b + 16 = 0. Then, b = -8. Finally, c = -2(-8) = 16.

So, our particular solution is  y_p= \frac{8}{3}x^3-8x^2+16x.

Now, let's find the solution y_p of the homogeneus equation y''+y'=0 with the method of constants coefficients. Let y=e^{\lambda x}

y'=\lambda e^{\lambda x}

y''=\lambda^2e^{\lambda x}

then \lambda e^{\lambda x}+\lambda^2 e^{\lambda x} = 0

e^{\lambda x}(\lambda +\lambda^2)= 0

(\lambda +\lambda^2)= 0

\lambda (1+\lambda)= 0

\lambda =0 and \lambda)= -1.

So, y_h = C_1 + C_2e^{-x} and the solution is

y=y_p+y_h =\frac{8}{3}x^3-8x^2+16x+ C_1 + C_2e^{-x}.

5 0
3 years ago
X^2=7^2+8^2-2(7)(8)(cos32)
Natasha_Volkova [10]

Answer:

x ≈4.244833711

Step-by-step explanation:

x^2=7^2+8^2-2(7)(8)(cos32)

Determine the powers

x^2=49+64-2(7)(8)(cos32)

Multiply from left to right

x^2 = 49+64 - 112cos32

x^2 = 49+64 - 94.98138677

Add and subtract

x^2 =113-94.98138677

x^2 = 18.01861323

Take the square root of each side

sqrt(x^2) = sqrt(18.01861323)

x = sqrt(18.01861323)

x ≈4.244833711

x^2 =113

3 0
3 years ago
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